单项选择题

A．It becomes bigger.
B．It becomes more expensive.
C．It becomes cheaper.
D．It becomes much safer.
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单项选择题
A．It is a strong plant but can be easily bent.B．It has many joints.C．It has a delicate fragrance.D．It can be easily planted.
A．It is a strong plant but can be easily bent.
B．It has many joints.
C．It has a delicate fragrance.
D．It can be easily planted.
单项选择题
A．Farming implements.B．Scientific farming methods.C．Heat resistant and drought-resistant crops.D．Scientific farming system.
A．Farming implements.
B．Scientific farming methods.
C．Heat resistant and drought-resistant crops.
D．Scientific farming system.
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